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rc2_cbc.c

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/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/rc2/rc2_cbc.c

Source code

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Line Source Count

1 /* -

3 * -

4 * Licensed under the OpenSSL license (the "License"). You may not use -

5 * this file except in compliance with the License. You can obtain a copy -

6 * in the file LICENSE in the source distribution or at -

7 * https://www.openssl.org/source/license.html -

8 */ -

9 -

10 #include <openssl/rc2.h> -

11 #include "rc2_locl.h" -

12 -

13 void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, -

14 RC2_KEY *ks, unsigned char *iv, int encrypt) -

15 { -

16 register unsigned long tin0, tin1; -

17 register unsigned long tout0, tout1, xor0, xor1; -

18 register long l = length; -

19 unsigned long tin[2]; -

20 -

if (encrypt) {

encrypt	Description
TRUE	evaluated 314 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 217 times by 1 test Evaluated by: libcrypto.so.1.1

217-314

22 c2l(iv, tout0); -

23 c2l(iv, tout1); -

24 iv -= 8; -

for (l -= 8; l >= 0; l -= 8) {

l >= 0	Description
TRUE	evaluated 3904 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 314 times by 1 test Evaluated by: libcrypto.so.1.1

314-3904

26 c2l(in, tin0); -

27 c2l(in, tin1); -

28 tin0 ^= tout0; -

29 tin1 ^= tout1; -

30 tin[0] = tin0; -

31 tin[1] = tin1; -

32 RC2_encrypt(tin, ks); -

33 tout0 = tin[0]; -

34 l2c(tout0, out); -

35 tout1 = tin[1]; -

36 l2c(tout1, out); -

}

executed 3904 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

3904

if (l != -8) {

l != -8	Description
TRUE	never evaluated
FALSE	evaluated 314 times by 1 test Evaluated by: libcrypto.so.1.1

0-314

c2ln(in, tin0, tin1, l + 8);

never executed: end of block

code before this statement never executed: case 7:

code before this statement never executed: case 6:

code before this statement never executed: case 5:

code before this statement never executed: case 4:

code before this statement never executed: case 3:

code before this statement never executed: case 2:

code before this statement never executed: case 1:

never executed: case 8:

never executed: case 7:

never executed: case 6:

never executed: case 5:

never executed: case 4:

never executed: case 3:

never executed: case 2:

never executed: case 1:

40 tin0 ^= tout0; -

41 tin1 ^= tout1; -

42 tin[0] = tin0; -

43 tin[1] = tin1; -

44 RC2_encrypt(tin, ks); -

45 tout0 = tin[0]; -

46 l2c(tout0, out); -

47 tout1 = tin[1]; -

48 l2c(tout1, out); -

}

never executed: end of block

50 l2c(tout0, iv); -

51 l2c(tout1, iv); -

} else {

executed 314 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

314

53 c2l(iv, xor0); -

54 c2l(iv, xor1); -

55 iv -= 8; -

for (l -= 8; l >= 0; l -= 8) {

l >= 0	Description
TRUE	evaluated 3904 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 217 times by 1 test Evaluated by: libcrypto.so.1.1

217-3904

57 c2l(in, tin0); -

58 tin[0] = tin0; -

59 c2l(in, tin1); -

60 tin[1] = tin1; -

61 RC2_decrypt(tin, ks); -

62 tout0 = tin[0] ^ xor0; -

63 tout1 = tin[1] ^ xor1; -

64 l2c(tout0, out); -

65 l2c(tout1, out); -

66 xor0 = tin0; -

67 xor1 = tin1; -

}

executed 3904 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

3904

if (l != -8) {

l != -8	Description
TRUE	never evaluated
FALSE	evaluated 217 times by 1 test Evaluated by: libcrypto.so.1.1

0-217

70 c2l(in, tin0); -

71 tin[0] = tin0; -

72 c2l(in, tin1); -

73 tin[1] = tin1; -

74 RC2_decrypt(tin, ks); -

75 tout0 = tin[0] ^ xor0; -

76 tout1 = tin[1] ^ xor1; -

l2cn(tout0, tout1, out, l + 8);

never executed: end of block

code before this statement never executed: case 7:

code before this statement never executed: case 6:

code before this statement never executed: case 5:

code before this statement never executed: case 4:

code before this statement never executed: case 3:

code before this statement never executed: case 2:

code before this statement never executed: case 1:

never executed: case 8:

never executed: case 7:

never executed: case 6:

never executed: case 5:

never executed: case 4:

never executed: case 3:

never executed: case 2:

never executed: case 1:

78 xor0 = tin0; -

79 xor1 = tin1; -

}

never executed: end of block

81 l2c(xor0, iv); -

82 l2c(xor1, iv); -

}

executed 217 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

217

84 tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; -

85 tin[0] = tin[1] = 0; -

}

executed 531 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

531

87 -

88 void RC2_encrypt(unsigned long *d, RC2_KEY *key) -

89 { -

90 int i, n; -

91 register RC2_INT *p0, *p1; -

92 register RC2_INT x0, x1, x2, x3, t; -

93 unsigned long l; -

94 -

95 l = d[0]; -

96 x0 = (RC2_INT) l & 0xffff; -

97 x1 = (RC2_INT) (l >> 16L); -

98 l = d[1]; -

99 x2 = (RC2_INT) l & 0xffff; -

100 x3 = (RC2_INT) (l >> 16L); -

101 -

102 n = 3; -

103 i = 5; -

104 -

105 p0 = p1 = &(key->data[0]); -

106 for (;;) { -

107 t = (x0 + (x1 & ~x3) + (x2 & x3) + *(p0++)) & 0xffff; -

108 x0 = (t << 1) | (t >> 15); -

109 t = (x1 + (x2 & ~x0) + (x3 & x0) + *(p0++)) & 0xffff; -

110 x1 = (t << 2) | (t >> 14); -

111 t = (x2 + (x3 & ~x1) + (x0 & x1) + *(p0++)) & 0xffff; -

112 x2 = (t << 3) | (t >> 13); -

113 t = (x3 + (x0 & ~x2) + (x1 & x2) + *(p0++)) & 0xffff; -

114 x3 = (t << 5) | (t >> 11); -

115 -

116

if (--i == 0) {

--i == 0	Description
TRUE	evaluated 23502 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 101842 times by 1 test Evaluated by: libcrypto.so.1.1

23502-101842

117

if (--n == 0)

--n == 0	Description
TRUE	evaluated 7834 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 15668 times by 1 test Evaluated by: libcrypto.so.1.1

7834-15668

118

break;

executed 7834 times by 1 test: break;

Executed by:

libcrypto.so.1.1

7834

119

i = (n == 2) ? 6 : 5;

(n == 2)	Description
TRUE	evaluated 7834 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 7834 times by 1 test Evaluated by: libcrypto.so.1.1

7834

120 -

121 x0 += p1[x3 & 0x3f]; -

122 x1 += p1[x0 & 0x3f]; -

123 x2 += p1[x1 & 0x3f]; -

124 x3 += p1[x2 & 0x3f]; -

125

}

executed 15668 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

15668

126

}

executed 117510 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

117510

127 -

128 d[0] = -

129 (unsigned long)(x0 & 0xffff) | ((unsigned long)(x1 & 0xffff) << 16L); -

130 d[1] = -

131 (unsigned long)(x2 & 0xffff) | ((unsigned long)(x3 & 0xffff) << 16L); -

132

}

executed 7834 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

7834

133 -

134 void RC2_decrypt(unsigned long *d, RC2_KEY *key) -

135 { -

136 int i, n; -

137 register RC2_INT *p0, *p1; -

138 register RC2_INT x0, x1, x2, x3, t; -

139 unsigned long l; -

140 -

141 l = d[0]; -

142 x0 = (RC2_INT) l & 0xffff; -

143 x1 = (RC2_INT) (l >> 16L); -

144 l = d[1]; -

145 x2 = (RC2_INT) l & 0xffff; -

146 x3 = (RC2_INT) (l >> 16L); -

147 -

148 n = 3; -

149 i = 5; -

150 -

151 p0 = &(key->data[63]); -

152 p1 = &(key->data[0]); -

153 for (;;) { -

154 t = ((x3 << 11) | (x3 >> 5)) & 0xffff; -

155 x3 = (t - (x0 & ~x2) - (x1 & x2) - *(p0--)) & 0xffff; -

156 t = ((x2 << 13) | (x2 >> 3)) & 0xffff; -

157 x2 = (t - (x3 & ~x1) - (x0 & x1) - *(p0--)) & 0xffff; -

158 t = ((x1 << 14) | (x1 >> 2)) & 0xffff; -

159 x1 = (t - (x2 & ~x0) - (x3 & x0) - *(p0--)) & 0xffff; -

160 t = ((x0 << 15) | (x0 >> 1)) & 0xffff; -

161 x0 = (t - (x1 & ~x3) - (x2 & x3) - *(p0--)) & 0xffff; -

162 -

163

if (--i == 0) {

--i == 0	Description
TRUE	evaluated 14082 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 61022 times by 1 test Evaluated by: libcrypto.so.1.1

14082-61022

164

if (--n == 0)

--n == 0	Description
TRUE	evaluated 4694 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 9388 times by 1 test Evaluated by: libcrypto.so.1.1

4694-9388

165

break;

executed 4694 times by 1 test: break;

Executed by:

libcrypto.so.1.1

4694

166

i = (n == 2) ? 6 : 5;

(n == 2)	Description
TRUE	evaluated 4694 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 4694 times by 1 test Evaluated by: libcrypto.so.1.1

4694

167 -

168 x3 = (x3 - p1[x2 & 0x3f]) & 0xffff; -

169 x2 = (x2 - p1[x1 & 0x3f]) & 0xffff; -

170 x1 = (x1 - p1[x0 & 0x3f]) & 0xffff; -

171 x0 = (x0 - p1[x3 & 0x3f]) & 0xffff; -

172

}

executed 9388 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

9388

173

}

executed 70410 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

70410

174 -

175 d[0] = -

176 (unsigned long)(x0 & 0xffff) | ((unsigned long)(x1 & 0xffff) << 16L); -

177 d[1] = -

178 (unsigned long)(x2 & 0xffff) | ((unsigned long)(x3 & 0xffff) << 16L); -

179

}

executed 4694 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

4694

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